Dispensing – With discharge assistant – Container with follower
Reexamination Certificate
2003-09-09
2008-12-23
Rivell, John (Department: 3753)
Dispensing
With discharge assistant
Container with follower
C222S399000
Reexamination Certificate
active
07467733
ABSTRACT:
A pressure control device for maintaining a constant predetermined pressure in a container which is arranged for dispensing a fluid contained in the container from the container at said pressure, the pressure control device comprising a first chamber and a second chamber, as well as at least one closing member movable relative to the second chamber for releasing and closing a fluid connection between the first chamber and the container depending on the position of the closing member relative to the second chamber. The first chamber is filled with a gas which, in use, has a higher pressure than the pressure in the container. The second chamber is located outside the first chamber.
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Fish & Richardson P.C.
Packaging Technology Holding S.A.
Rivell John
LandOfFree
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